CA453482A - Lampe a vide - Google Patents

Lampe a vide

Info

Publication number
CA453482A
CA453482A CA453482A CA453482DA CA453482A CA 453482 A CA453482 A CA 453482A CA 453482 A CA453482 A CA 453482A CA 453482D A CA453482D A CA 453482DA CA 453482 A CA453482 A CA 453482A
Authority
CA
Canada
Prior art keywords
vacuum tube
vacuum
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA453482A
Other languages
English (en)
Inventor
Georges Chevigny Paul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Federal Telephone and Radio Corp
Original Assignee
Federal Telephone and Radio Corp
Publication date
Application granted granted Critical
Publication of CA453482A publication Critical patent/CA453482A/fr
Expired legal-status Critical Current

Links

CA453482A Lampe a vide Expired CA453482A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA453482T

Publications (1)

Publication Number Publication Date
CA453482A true CA453482A (fr) 1948-12-21

Family

ID=35571213

Family Applications (1)

Application Number Title Priority Date Filing Date
CA453482A Expired CA453482A (fr) Lampe a vide

Country Status (1)

Country Link
CA (1) CA453482A (fr)

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